directrix plane of a quadric cone

英 [directrix plane of a quadric cone]
美 [directrix plane of a quadric cone]

中文释义

[数] 二次锥面的准平面

单词分析

单词结构：

directrix plane of a quadric cone

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：directrix plane of a quadric cone
  • 核心含义：[数] 二次锥面的准平面

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更新时间：2026-02-05 08:06:50